package com.my.chapter18;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class practice21 {
    public static void main(String[] args) throws IOException {
        BufferedReader stdin = new BufferedReader(
                new InputStreamReader(System.in));
        String s;
        while((s = stdin.readLine()) != null && s.length() != 0)
            System.out.println(s.toUpperCase());
    }
}
